Secondly, a hydrodynamic model is proposed to study the laser excited Mach cones in a 2D magnetized dusty plasma, with particular attention being paid to the effect of the magnetic field on the structure of Mach cones.

• 其次，在第三章中，我们利用流体模型理论来研究外磁场对激光诱导二维尘埃等离子体中马赫锥现象的影响。